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A.动态压差平衡概念&平衡阀测试1
10
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By Asiaapp | Updated: Mar 16, 2022
| Attempts: 158
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1.
W-DPBV系列动态压差平衡阀每个口径有几个压差范围可供选择____
1个
2个
3个
4个
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About This Quiz
2.
What first name or nickname would you like us to use?
You may optionally provide this to label your report, leaderboard, or certificate.
2.
-用于末端换热设备(AHU、MAU等)的电动调节阀应采用的流量特性曲线是____
线性特性
等百分比特性
快开特性
Submit
3.
-一般与动态压差平衡阀配套使用的阀门是____
静态平衡阀
动态流量平衡阀
动态平衡电动调节阀
Submit
4.
W-DPBV系列压差平衡阀设定压差的装置是_____
阀门侧面的小球阀
阀体上的测量嘴
手轮
手轮顶部六角螺母
Submit
5.
-如下图所示W-DPBV水平安装时,连接口①处的功能为_____
排气
连接导压管
排气和连接导压管均可
Submit
6.
-螺纹压差平衡阀的阀体材质为_____。
普通黄铜
抗脱锌黄铜
青铜
球墨铸铁
Submit
7.
-动态压差平衡阀安装的位置是______
电动调节阀进水端
电动调节阀出水端
电动调节阀出水端或进水端
Submit
8.
-下图为动态压差阀的流量-阻力特性曲线表,当阀门的设计流量为4吨水时,若选用DN25阀门,关于阀门阻力损失描述正确的是_____
压差阀最小阻力损失为20kPa
压差阀最大阻力损失为20kPa
压差阀最大阻力损失为30kPa
压差阀最小阻力损失为30kPa
Submit
9.
W-DPBV系列法兰动态压差平衡阀阀座密封是______
PTFE密封垫
EPDM密封垫
EPDM包胶
PTFE 包胶
Submit
10.
-动态水力失调的特点是_____
系统本身固有的
随系统调节阀开度变化而变化
稳定的
动态的
Submit
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W-DPBV系列动态压差平衡阀每个口径有几个压差范围可供选择____...
-用于末端换热设备(AHU、MAU等)的电动调节阀应采用的流量特性曲线是____...
-一般与动态压差平衡阀配套使用的阀门是____
W-DPBV系列压差平衡阀设定压差的装置是_____
-如下图所示W-DPBV水平安装时,连接口①处的功能为_____...
-螺纹压差平衡阀的阀体材质为_____。
-动态压差平衡阀安装的位置是______
-下图为动态压差阀的流量-阻力特性曲线表,当阀门的设计流量为4吨水时,若选用DN25阀门,关于阀门阻力损失描述正确的是_____...
W-DPBV系列法兰动态压差平衡阀阀座密封是______
-动态水力失调的特点是_____
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